diff --git a/2025/4/4_2.py b/2025/4/4_2.py
new file mode 100644
index 0000000..695b2fd
--- /dev/null
+++ b/2025/4/4_2.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# 2025 - Advent Of Code 4 part 2
+
+# file = 'input_example.txt'
+file = 'input.txt'
+
+# pylint: disable=consider-using-with
+input_lines = [list(line.strip('\n')) for line in open(file, encoding="utf-8")]
+MAX_X = len(input_lines[0])
+MAX_Y = len(input_lines)
+
+for pos_y in range(0, MAX_Y):
+    for pos_x in range(0, MAX_X):
+        print(input_lines[pos_y][pos_x], end='')
+    print()
+print()
+
+total_removed = 0
+accessible = 1
+while accessible != 0:
+    new_grid = [[input_lines[y][x] for x in range(MAX_X)] for y in range(MAX_Y)]
+    accessible = 0
+    for pos_y in range(0, MAX_Y):
+        for pos_x in range(0, MAX_X):
+            if input_lines[pos_y][pos_x] == '@':
+                rolls = 0
+                if pos_y > 0 and pos_x > 0 and input_lines[pos_y-1][pos_x-1] == '@':
+                    rolls += 1
+                if pos_y > 0 and input_lines[pos_y-1][pos_x] == '@':
+                    rolls += 1
+                if pos_y > 0 and pos_x < MAX_X - 1 and input_lines[pos_y-1][pos_x+1] == '@':
+                    rolls += 1
+                if pos_x > 0 and input_lines[pos_y][pos_x-1] == '@':
+                    rolls += 1
+                if pos_x < MAX_X - 1 and input_lines[pos_y][pos_x+1] == '@':
+                    rolls += 1
+                if pos_y < MAX_Y - 1 and pos_x > 0 and input_lines[pos_y+1][pos_x-1] == '@':
+                    rolls += 1
+                if pos_y < MAX_Y - 1 and input_lines[pos_y+1][pos_x] == '@':
+                    rolls += 1
+                if pos_y < MAX_Y - 1 and pos_x < MAX_X - 1 and input_lines[pos_y+1][pos_x+1] == '@':
+                    rolls += 1
+
+                if rolls < 4:
+                    accessible += 1
+                    new_grid[pos_y][pos_x] = 'x'
+                else:
+                    new_grid[pos_y][pos_x] = input_lines[pos_y][pos_x]
+
+    # for pos_y in range(0, MAX_Y):
+    #     for pos_x in range(0, MAX_X):
+    #         print(input_lines[pos_y][pos_x], end='')
+    #     print()
+    input_lines = new_grid.copy()
+    total_removed += accessible
+
+print(total_removed)
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